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path/to/venv/lib/python3.12/site-packages/cobble/inflection.py

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+# -*- coding: utf-8 -*-
+"""
+    inflection
+    ~~~~~~~~~~~~
+
+    A port of Ruby on Rails' inflector to Python.
+
+    :copyright: (c) 2012-2015 by Janne Vanhala
+
+    :license: MIT, see LICENSE for more details.
+"""
+import re
+
+
+def underscore(word):
+    """
+    Make an underscored, lowercase form from the expression in the string.
+
+    Example::
+
+        >>> underscore("DeviceType")
+        "device_type"
+
+    As a rule of thumb you can think of :func:`underscore` as the inverse of
+    :func:`camelize`, though there are cases where that does not hold::
+
+        >>> camelize(underscore("IOError"))
+        "IoError"
+
+    """
+    word = re.sub(r"([A-Z]+)([A-Z][a-z])", r'\1_\2', word)
+    word = re.sub(r"([a-z\d])([A-Z])", r'\1_\2', word)
+    word = word.replace("-", "_")
+    return word.lower()